Product

  • Birefringent Crystal
  • Birefringent Crystal

Birefringent Crystal

crystal birefringent YVO4

Product introduction

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    Physical and Optical Properties


    Transparency Range 500-4000nm 350-2300nm 220-3500nm
    Crystal Structure Trigonal Trigonal Trigonal,Space Group R3c
    Crystal Class Positive Uniaxial Positive Uniaxial Negative Uniaxial
    Crystal Cell a=b=7.12 Å,c=6.29 Å a=6.37 Å a=b=12.532 Å,c=12.717 Å
    Density 4.22g/cm3 2.7g/cm3 3.85g/cm3
    Hygroscopic Susceptibility High Low Low
    Mohs Hardness 5 3 4.5
    Thermal Expansion Coefficients aa=4.43*10﹣6/k

    ac=11.37*10﹣6/k

    aa=24.39*10﹣5/k

    ac=5.68*10﹣5/k

    Aa=4*10﹣6/k

    Ac=36*10﹣6/k

    Optical Homogeneity 10﹣6/cm 10﹣6/cm 10﹣6/cm
    Absorption Coefficient <0.1%@1064nm< td=""> <0.1%@1064nm< td=""> <0.1%@1064nm< td="">

    Refractive Index,

    Birefringence(△n=ne-no)

    Walk-Off Angle@45°(ρ)

    ne=2.2154,No=1.9929

    △n=0.2251

    ρ=6.042°@633nm

    ne=1.48520,no=1.6557△n=0.1705

    ρ=6.20°@633nm

    ne=1.54381,no=1.67056

    △n=0.1222

    ρ=4.345°@532nm


    Capabilities


    Diameter Max.30-40mm Max.150mm Max.40-50mm
    Length Max.25-35mm Max.100mm Max.25-35mm
    Surface Quality Better than 20/10 Scratch/Dig Per MIL-0-13830A
    Beam Deviation <10arc seconds
    Optical Axis Orientation +/-0.2°
    Flatness <λ/8@633nm
    Transmission Wavefront Distortion <λ/4@633nm
    Coating  Upon Specification


    BIREFRIGENT CRYSTAL


    Transparency Range 420-5200nm 120-8500nm 200-2300nm
    Crystal Structure Trigonal,Space Group R3c Trigonal,Space Group R3c Trigonal,Space Group R3c
    Crystal Class Positive Uniaxial Positive Uniaxial Negative Uniaxial
    Crystal Cell a=5.14Å a=b=4.621 Å,c=3.053 Å
    Density 4.64g/cm3 3.18g/cm3 2.65g/cm3
    Hygroscopic Susceptibility Low Low Low
    Mohs Hardness 5 6 7
    Thermal Expansion Coefficients

    aa=2.0*10﹣6/k@25℃

    ac=2.2*10﹣6/k@25℃


    aa=6.23-9.25*10﹣6/k

    ac=10.86-14.54*10﹣6/k

    aa=6.2*10﹣6/k

    ac=10.7*10﹣6/k


    Optical Homogeneity 5*10﹣5/cm 10﹣6/cm 10﹣6/cm
    Absorption Coefficient <0.1%@1064nm< td=""> <0.1%@1064nm< td=""> <0.1%@1064nm< td="">

    Refractive Index,

    Birefringence(△n=ne-no)

    Walk-Off Angle@45°(ρ)

    ne=2.20263,no=2.28629

    △n=0.08366

    ρ=2.135°@633nm

    ne=1.38876,No=1.37698

    △n=0.01178

    ρ=0.488°@633nm

    ne=1.55170,No=1.54265

    △n=0.00905

    ρ=0.335°@532nm


    Capabilities


    Diameter Max.30-40mm Max.50mm Max.100mm
    Length Max.25-35mm Max.100mm Max.100mm
    Surface Quality Better than 20/10 Scratch/Dig Per MIL-0-13830A
    Beam Deviation <10arc seconds
    Optical Axis Orientation +/-0.2°
    Flatness <λ/8@633nm
    Transmission Wavefront Distortion <λ/4@633nm
    Coating  Upon Specification

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